Adjustable lamp stand



FIG. 1 is a perspective view of the adjustable lamp stand according to my new design. The broken line drawing of a lamp shade attached to the lamp base is for illustrative purposes only, and forms no part of the claimed design.

FIG. 2 is a front elevational view of the adjustable lamp stand according to my new design.

FIG. 3 is a left side elevational view of the adjustable lamp stand.

FIG. 4 is a right side elevational view of the adjustable lamp stand.

FIG. 5 is a rear elevational view of the adjustable lamp stand.

FIG. 6 is a top plan view of the adjustable lamp stand; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an adjustable lamp stand, as shown and described. 